Question
Biology Question on chemical coordination and integration
Which one of the following hormones is a modified amino acid ?
A
Progesterone
B
Epinephrine
C
Prostaglandins
D
Estrogen
Answer
Epinephrine
Explanation
Solution
Epinephrine is synthesized from amino acid tyrosine. While estrogen and progesterone are modified steroids and prostaglandins are basically fat. Progesterone and Estrogen are secreted from corpus luteum of ovary. Prostaglandins are derived from many tissues including the prostate gland ( or can be made synthetically), and have been used in the induction of labour and abortion.